// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()

const db = cloud.database()

const _ = db.command

const chatroomCollection = db.collection('chatroom')
// 云函数入口函数
exports.main = async (event, context) => {
    try {
      return  result = await chatroomCollection.where({
        '_id': _.neq('')
      }).remove()
      
    } catch (e) {
      console.error(e)
    }
    
}